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speak volumes

Idioms

Be significant, indicate a great deal, as in That house of theirs speaks volumes about their income. This idiom uses volumes in the sense of “the information contained in volumes of books.” [c. 1800]

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

People can say anything, but their actions speak volumes.

From MarketWatch • Jun. 8, 2026

And I think that that silence really does speak volumes.

From Slate • Feb. 11, 2025

Amid all the celebration, there are some notes of caution from campaigners that perhaps speak volumes about the reality of past let-downs.

From BBC • Jul. 17, 2024

The numbers post-break speak volumes about the commitment to defense: Entering Monday, NBA teams were averaging around four points per game less than they were before mid-February, dropping from 115.5 to 111.3.

From Seattle Times • Mar. 19, 2024

This is not decisive, but it may well be one of those small facts which speak volumes.

From Fray Luis de León A Biographical Fragment by Fitzmaurice-Kelly, James

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023